On a live music radio show, a letter arrives from the 23 years in the past. Through the letter, the first love and friendships of five friends are revealed.

Unforgettable

A young man develops schizophrenia after his mother's suicide. After he meets a kindred spirit at the psychiatric hospital, he forges a plan with the man to escape.

Shoot Me in the Heart

Park Jae-sang was a royal geomancer, who helps people designate propitious site for houses, store and even graves under the belief that a grave in a good site will bring future fortune for descendants. But he loses his family because he exposed a conspiracy about crown Prince's grave site. Park Jae-sang plans to make a revenge of his family and learns that there is a much bigger conspiracy about propitious grave site; the place that would make grave owner's son the King of Joseon.

Feng Shui

A young poker player at the top of his game joins a team led by the legendary poker player One-Eyed Jack. While successfully working on a plan to win a huge jackpot, a single mistake puts the entire team in a life-or-death situation.